An appeal may be withheld by the authority not lower than the authority against whose order it is preferred, if-
(1) it is an appeal in a case in which under these regulations no appeal lies, or
(2) it does not comply with the provisions of regulation 18, or
(3) it is not preferred within one month after the date on which the appellant was informed or was in receipt of order appealed against, and no reasonable cause is shown for the delay, or
(4) it is a repetition of a previous appeal and is made to the same appellate authority by which such appeal has been decided and no new facts or circumstances re adduced which afford grounds for a reconsideration of the case, or 18
(5) it is addressed to an authority to which no appeal lies under these regulations:
Provided that in every case in which an appeal is withheld the appellant shall be informed of the fact and the reasons for it:
Provided further that an appeal withheld on account only of failure to comply with the provisions of regulation 18 may be resubmitted at any time within 15 days of the date ;on which the appellant has been informed of the withholding ;of the appeal, and if resubmitted in a form which complies with those provisions shall not be withheld.